5255520971 has 2 divisors, whose sum is σ = 5255520972. Its totient is φ = 5255520970.

The previous prime is 5255520943. The next prime is 5255520983. The reversal of 5255520971 is 1790255525.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5255520971 - 2²² = 5251326667 is a prime.

It is not a weakly prime, because it can be changed into another prime (5255525971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2627760485 + 2627760486.

It is an arithmetic number, because the mean of its divisors is an integer number (2627760486).

Almost surely, 2^5255520971 is an apocalyptic number.

5255520971 is a deficient number, since it is larger than the sum of its proper divisors (1).

5255520971 is an equidigital number, since it uses as much as digits as its factorization.

5255520971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157500, while the sum is 41.

The square root of 5255520971 is about 72494.9720394456. The cubic root of 5255520971 is about 1738.6223484446.

The spelling of 5255520971 in words is "five billion, two hundred fifty-five million, five hundred twenty thousand, nine hundred seventy-one".